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A29h — Four Knights (1925)
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bc5 5.Bg2
Les coups candidats
5…d6 — 62.9% (2730 parties)
Ambassadeurs : Hillebrand, Carsten (17x), Vujadinovic, Milan (13x), McKlveen, Paul (13x), Gierth, Karlheinz (10x), Abaho Cadet Martin (9x), Smit, Frans P. (9x), Faber, Peter (8x), Smits, Mark (7x)
5…O-O — 28.4% (1231 parties)
Ambassadeurs : Cernik, Rudolf (8x), Schiller, Wilfried (8x), Niewold, Jaap (5x), Abaho Cadet Martin (5x), Raessler, Arndt (5x), Hucks, Lewis A (4x), Dournes, Robert (4x), Liebeskind, Rolf Dieter (4x)
5…a6 — 2.7% (117 parties)
Ambassadeurs : Vollbrecht Joerg (2x), Sarosy, Zoltan L (1x), Stadt, Hans (1x), Fahnenschmidt, Gerhard (1x), Bohlmann, Erwin (1x), Kummle, Thomas, Dr. (1x), Kaufmann, Helmut (1x), Dobosz, Henryk (1x)
5…e4 — 2.1% (90 parties)
Ambassadeurs : Krahl, Wolfgang (4x), Vailatti, Eduardo Gabriel (4x), Meszaros, Andras (4x), Grigoryan, Meri (2x), Sanchez Angulo, Javier Oswaldo (2x), Vujadinovic, Milan (2x), Suvalic, Fahro (1x), Podkrajsek, Janez (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…d6 5…O-O 5…a6 5…e4
<1800 560 55% 33% 2% 4%
1800-2200 1649 62% 30% 4% 2%
2200-2600 1052 77% 19% 2% 1%
2600+ 82 88% 12% — —
Évolution par décennie (% des parties)
Décennie N parties 5…d6 5…O-O 5…a6 5…e4
1950s 11 45% 36% 9% —
1960s 18 56% 33% — 11%
1970s 42 62% 21% 10% 5%
1980s 88 60% 27% — 6%
1990s 622 56% 33% 2% 3%
2000s 1199 57% 34% 3% 2%
2010s 2035 69% 24% 3% 1%
2020s 325 62% 28% 2% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…d6 69% 62% ▼ -7.3%
5…O-O 24% 28% ▲ +4.4%
5…a6 3% 2% ▼ -0.6%
5…e4 1% 3% ▲ +2.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 8 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
5…d6 — 62.9% (2730 parties)
1951 — Gondim, Jose Adail vs Salamuni R — 1/2-1/2 — Fortaleza BRA
1958 — Olafsson, Fridrik vs Mititelu, Gheorghe — 1-0 — Varna BUL
1958 — Krutyansky, Andrey vs Mikenas, Vladas — 1-0 — Moscow RUS
1959 — Lester, MJ. vs Collins, Richard — 1/2-1/2 — London ENG
1959 — Moguilevsky, M. vs Piazzini, Luis — 1-0 — Buenos Aires ARG
5…O-O — 28.4% (1231 parties)
1951 — Sarosy, Zoltan L vs Jusyp, A. — 0-1 — Toronto CAN
1955 — Kholmov, Ratmir D vs Lisitsin, Georgy — 1/2-1/2 — URS-ch sf Moscow RUS
1956 — Filip, Miroslav vs Keres, Paul Petrovich — 1/2-1/2 — Amsterdam NED
1959 — Benko, Pal vs Keres, Paul — 0-1 — ?
1960 — Gabrys, Zygmunt vs Gawliczek, Andreas — 1/2-1/2 — Poland ch
5…a6 — 2.7% (117 parties)
1956 — Sarosy, Zoltan L vs Stadt, Hans — 1-0 — Toronto CAN
1975 — Fahnenschmidt, Gerhard vs Bohlmann, Erwin — 1-0 — Germany West
1977 — Kummle, Thomas, Dr. vs Kaufmann, Helmut — 1-0 — Zell
1979 — Dobosz, Henryk vs Filipowicz, Andrzej — 1/2-1/2 — Tarnow POL-36ch
1979 — Defosse, Sylvain vs Fournier, Lise — 0-1 — Montreal CAN
5…e4 — 2.1% (90 parties)
1963 — Garcia R., Luis Ernesto vs Schweber, Samuel — 1-0 — Buenos Aires ch-ARG plof
1969 — Suvalic, Fahro vs Podkrajsek, Janez — 0-1 — Pula CRO
1972 — Wexler, Bernardo vs Vailatti, Eduardo Gabriel — 1/2-1/2 — Mar del Plata ARG
1977 — Niemi Valio vs Huuskonen, Veli-Matti — 1-0 — ?
1981 — Morrison, Robert vs Alhindi, Ameer. — 1-0 — Graz WTch jr